/Engine/Source/Editor/ViewportInteraction/Public/VIBaseTransformGizmo.h
Called by the world interaction system after we've been spawned into the world, to allow us to create components and set everything up nicely for the selected objects that we'll be used to manipulate
virtual void UpdateGizmo ( const EGizmoHandleTypes InGizmoType, const ECoordSystem InGizmoCoordinateSpace, const FTransform & InLocalToWorld, const FBox & InLocalBounds, const FVector & InViewLocation, const float InScaleMultiplier, bool bInAllHandlesVisible, const bool bInAllowRotationAndScaleHandles, class [UActorComponent](API\Runtime\Engine\Components\UActorComponent) * DraggingHandle, const [TArray](API\Runtime\Core\Containers\TArray)< [UActorComponent](API\Runtime\Engine\Components\UActorComponent) * > & InHoveringOverHandles, const float InGizmoHoverScale, const float InGizmoHoverAnimationDuration )